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Date:   Fri, 12 Oct 2018 11:45:48 -0500
From:   Rob Herring <robh@kernel.org>
To:     Luis Oliveira <Luis.Oliveira@synopsys.com>
Cc:     linux-media@vger.kernel.org, linux-kernel@vger.kernel.org,
        Joao.Pinto@synopsys.com, festevam@gmail.com,
        Mark Rutland <mark.rutland@arm.com>,
        Mauro Carvalho Chehab <mchehab@kernel.org>,
        Hans Verkuil <hans.verkuil@cisco.com>,
        Geert Uytterhoeven <geert+renesas@glider.be>,
        Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>,
        Arnd Bergmann <arnd@arndb.de>,
        Jacob Chen <jacob-chen@iotwrt.com>,
        Neil Armstrong <narmstrong@baylibre.com>,
        Keiichi Watanabe <keiichiw@chromium.org>,
        Kate Stewart <kstewart@linuxfoundation.org>,
        Philipp Zabel <p.zabel@pengutronix.de>,
        Todor Tomov <todor.tomov@linaro.org>,
        devicetree@vger.kernel.org
Subject: Re: [V2, 2/5] Documentation: dt-bindings: Document the Synopsys MIPI
 DPHY Rx bindings
Message-ID: <20181012164548.GA11873@bogus>
References: <20180920111648.27000-1-lolivei@synopsys.com>
 <20180920111648.27000-3-lolivei@synopsys.com>
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On Thu, Sep 20, 2018 at 01:16:40PM +0200, Luis Oliveira wrote:
> Add device-tree bindings documentation for SNPS DesignWare MIPI D-PHY in
> RX mode.

"dt-bindings: phy: ..." for the subject.

> 
> Signed-off-by: Luis Oliveira <lolivei@synopsys.com>
> ---
> Changelog
> v2:
> - no changes
> 
>  .../devicetree/bindings/phy/snps,dphy-rx.txt       | 36 ++++++++++++++++++++++
>  1 file changed, 36 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/phy/snps,dphy-rx.txt
> 
> diff --git a/Documentation/devicetree/bindings/phy/snps,dphy-rx.txt b/Documentation/devicetree/bindings/phy/snps,dphy-rx.txt
> new file mode 100644
> index 0000000..9079f4a
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/phy/snps,dphy-rx.txt
> @@ -0,0 +1,36 @@
> +Synopsys DesignWare MIPI Rx D-PHY block details
> +
> +Description
> +-----------
> +
> +The Synopsys MIPI D-PHY controller supports MIPI-DPHY in receiver mode.
> +Please refer to phy-bindings.txt for more information.
> +
> +Required properties:
> +- compatible		: Shall be "snps,dphy-rx".
> +- #phy-cells		: Must be 1.
> +- snps,dphy-frequency	: Output frequency of the D-PHY.
> +- snps,dphy-te-len	: Size of the communication interface (8 bits->8 or 12bits->12).
> +- reg			: Physical base address and size of the device memory mapped
> +		 	  registers;
> +
> +Optional properties:
> +- snps,compat-mode	: Compatibility mode control

type? values?

> +
> +The per-board settings:
> +- gpios 		: Synopsys testchip used as reference uses this to change setup
> +		  	  configurations.

Preferred to be named (e.g. foo-gpios). How many? What are their 
functions?

> +
> +Example:
> +
> +	mipi_dphy_rx1: dphy@3040 {
> +		compatible = "snps,dphy-rx";
> +		#phy-cells = <1>;
> +		snps,dphy-frequency = <300000>;
> +		snps,dphy-te-len = <12>;
> +		snps,compat-mode = <1>;
> +		reg = < 0x03040 0x20
> +			0x08000 0x100
> +			0x09000 0x100>;
> +	};
> +
> -- 
> 2.9.3
>